Note that by default compiled files are saved into COFFEESCRIPT_CACHE folder under your STATIC_ROOT (or MEDIA_ROOT if you have no STATIC_ROOT in your settings).
You can change this folder name with COFFEESCRIPT_ROOT and COFFEESCRIPT_OUTPUT_DIR settings.

Settings

COFFEESCRIPT_EXECUTABLE

Path to CoffeeScript compiler executable. Default: "coffee".

COFFEESCRIPT_ROOT

Controls the absolute file path that compiled files will be written to. Default: STATIC_ROOT.

COFFEESCRIPT_OUTPUT_DIR

Controls the directory inside COFFEESCRIPT_ROOT that compiled files will be written to. Default: "COFFEESCRIPT_CACHE".